55404527 has 2 divisors, whose sum is σ = 55404528. Its totient is φ = 55404526.

The previous prime is 55404521. The next prime is 55404541. The reversal of 55404527 is 72540455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55404527 - 2⁶ = 55404463 is a prime.

It is a super-2 number, since 2×55404527² = 6139323224187458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55404493 and 55404502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55404521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27702263 + 27702264.

It is an arithmetic number, because the mean of its divisors is an integer number (27702264).

Almost surely, 2^55404527 is an apocalyptic number.

55404527 is a deficient number, since it is larger than the sum of its proper divisors (1).

55404527 is an equidigital number, since it uses as much as digits as its factorization.

55404527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 55404527 is about 7443.4217265986. The cubic root of 55404527 is about 381.2253313072.

The spelling of 55404527 in words is "fifty-five million, four hundred four thousand, five hundred twenty-seven".